Emich Kyrill, Prince of Leiningen (German: Emich Kirill Ferdinand Hermann Fürst zu Leiningen; 18 October 1926 – 30 October 1991) was the son of Karl, Prince of Leiningen. He was the titular Prince of Leiningen from 1946 until his death.

Emich was born at Coburg, Weimar Republic, the first child of Karl, Prince of Leiningen (1898–1946), (son of Emich, 5th Prince of Leiningen and Princess Feodore of Hohenlohe-Langenburg) and his wife, Grand Duchess Maria Kirillovna of Russia (1907–1951), (daughter of Cyril Vladimirovich, Grand Duke of Russia and Princess Victoria Melita of Saxe-Coburg and Gotha). Through his mother, he was a descendant of Queen Victoria and Tsar Alexander II. Through his father, he was a descendant of the Vasa kings of Sweden and of both of Queen Victoria's half-siblings, Carl, Prince of Leiningen and The Princess of Hohenlohe-Langenburg. As a result, Emich was the first descendant of all three of Victoria, Duchess of Kent's children.

Emich married on 10 August 1950 in Rastede to Duchess Eilika of Oldenburg (2 February 1928 – 26 January 2016), fourth child and second daughter of Nikolaus, Hereditary Grand Duke of Oldenburg and his wife, Princess Helena of Waldeck and Pyrmont.

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